#ifndef SRC_VIEWER_H
#define SRC_VIEWER_H

// execute result
#define LT_FAILURE -1
#define LT_SUCCESS 0

// boolean
#define lt_boolean int
#define lt_true 1
#define lt_false 0

// varible type
typedef unsigned long long int lt_uint64_t;
typedef unsigned int lt_uint32_t;  
typedef unsigned char lt_u_char;
typedef unsigned char lt_byte;

#endif